Paradigms Lost, Paradigms Regained: Programming with Objects and Functions and More
summary
Argues that paradigms are tools not religions, then shows concrete examples: implements a stack as a C# wrapper, as an opaque C ADT, and as a stack implemented as closure in JavaScript; shows Java and C++ only gained lambdas in 2014 and 2011 respectively; composes capabilities with mixins to add non-duplicate-top mixin fails LSP test, runs a simple JS test where composing a non-duplicate mixin makes depth drop from 3 to 2, proving substitution can break by implementation detail.
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chapters (13)
- 0:00Introduction
- 2:40The history of paradigms
- 7:36Failure modes of paradigms
- 10:57Defining the stack
- 13:02Abstract data types
- 16:54Modularity and encapsulation
- 21:30Procedural programming roots
- 26:42Origins of object orientation
- 33:12Closures and lambdas
- 37:35Lambda calculus foundations
- 40:46Concatenation and inheritance
- 44:14The Liskov substitution principle
- 47:38Programming to an interface
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